DK167762B1 - Fremgangsmaade til udvinding af coffein adsorberet til aktivt carbon - Google Patents

Fremgangsmaade til udvinding af coffein adsorberet til aktivt carbon Download PDF

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Publication number
DK167762B1
DK167762B1 DK407887A DK407887A DK167762B1 DK 167762 B1 DK167762 B1 DK 167762B1 DK 407887 A DK407887 A DK 407887A DK 407887 A DK407887 A DK 407887A DK 167762 B1 DK167762 B1 DK 167762B1
Authority
DK
Denmark
Prior art keywords
acid
caffeine
mixture
acetic acid
activated carbon
Prior art date
Application number
DK407887A
Other languages
Danish (da)
English (en)
Other versions
DK407887A (da
DK407887D0 (da
Inventor
Louris Kaper
Original Assignee
Douwe Egberts Tabaksfab
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Douwe Egberts Tabaksfab filed Critical Douwe Egberts Tabaksfab
Publication of DK407887D0 publication Critical patent/DK407887D0/da
Publication of DK407887A publication Critical patent/DK407887A/da
Application granted granted Critical
Publication of DK167762B1 publication Critical patent/DK167762B1/da

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Classifications

    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
    • A23F5/00—Coffee; Coffee substitutes; Preparations thereof
    • A23F5/20—Reducing or removing alkaloid content; Preparations produced thereby; Extracts or infusions thereof
    • A23F5/22—Reducing or removing alkaloid content from coffee extract
    • A23F5/223—Reducing or removing alkaloid content from coffee extract using flocculating, precipitating, adsorbing or complex-forming agents, or ion-exchangers
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D473/00—Heterocyclic compounds containing purine ring systems
    • C07D473/02—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6
    • C07D473/04—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms
    • C07D473/06—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms with radicals containing only hydrogen and carbon atoms, attached in position 1 or 3
    • C07D473/12—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms with radicals containing only hydrogen and carbon atoms, attached in position 1 or 3 with methyl radicals in positions 1, 3, and 7, e.g. caffeine

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Tea And Coffee (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
DK407887A 1986-08-06 1987-08-05 Fremgangsmaade til udvinding af coffein adsorberet til aktivt carbon DK167762B1 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8602012A NL8602012A (nl) 1986-08-06 1986-08-06 Werkwijze voor het winnen van caffeine geadsorbeerd aan actieve kool.
NL8602012 1986-08-06

Publications (3)

Publication Number Publication Date
DK407887D0 DK407887D0 (da) 1987-08-05
DK407887A DK407887A (da) 1988-02-07
DK167762B1 true DK167762B1 (da) 1993-12-13

Family

ID=19848376

Family Applications (1)

Application Number Title Priority Date Filing Date
DK407887A DK167762B1 (da) 1986-08-06 1987-08-05 Fremgangsmaade til udvinding af coffein adsorberet til aktivt carbon

Country Status (11)

Country Link
US (1) US4818552A (no)
EP (1) EP0259905B1 (no)
JP (1) JPS6344580A (no)
AT (1) ATE69818T1 (no)
AU (1) AU592466B2 (no)
CA (1) CA1301755C (no)
DE (1) DE3774809D1 (no)
DK (1) DK167762B1 (no)
ES (1) ES2027281T3 (no)
NL (1) NL8602012A (no)
NO (1) NO164979C (no)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1301754C (en) * 1986-05-30 1992-05-26 Louris Kaper Process for recovering caffeine absorbed in activated carbon, and a process for decaffeinating coffee
DK0583498T3 (da) * 1992-08-18 1999-11-15 Kraft Jacobs Suchard Ag Forbedret koffeingenvinding fra aktivt carbon
ES2127784T3 (es) * 1993-02-24 1999-05-01 Sara Lee De Nv Regeneracion simultanea de cafeina y carbon activo del cual se adsorbe por medio de disolventes organicos.
KR101090435B1 (ko) * 2005-04-21 2011-12-06 삼성전자주식회사 초음파를 이용한 위치 추정 방법 및 시스템
US7998515B2 (en) * 2007-06-06 2011-08-16 Group 32 Development And Engineering, Inc. Method and apparatus for preventing the discharge of powdery caffeine during coffee roasting
JP7169241B2 (ja) * 2019-03-28 2022-11-10 三井化学株式会社 芳香族カルボン酸と脂肪族有機酸との混合物の製造方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4298736A (en) * 1980-06-16 1981-11-03 General Foods Corporation Carbon-caffeine separation
US4513136A (en) * 1981-09-28 1985-04-23 General Foods Corporation Process for recovering caffeine from activated carbon
ES512478A0 (es) * 1981-09-28 1983-03-01 Gen Foods Corp "mejoras introducidas en el objeto de la patente principal n 503.050, solicitada el 15 de junio de 1981, por:un procedimiento para recuperar cafeina desde carbono activado".
US4548827A (en) * 1982-03-30 1985-10-22 General Foods Corporation Separate recovery of caffeine and coffee solids adsorbed on activated carbon
US4443601A (en) * 1982-09-20 1984-04-17 General Foods Corporation Recovery of caffeine from caffeine adsorbents
US4540784A (en) * 1983-04-18 1985-09-10 Hag Gf Aktiengesellschaft Recovery of caffeine adsorbed to activated carbon
US4506072A (en) * 1983-04-18 1985-03-19 Hag Gf Aktiengesellschaft Regeneration of caffeine-loaded activated carbon with hot water
US4481223A (en) * 1983-10-13 1984-11-06 General Foods Corporation Decaffeination with treated activated carbon
DE3511129C2 (de) * 1985-03-27 1994-01-27 Hag Gf Ag Verfahren zur Abtrennung von Coffein von damit beladener Aktivkohle

Also Published As

Publication number Publication date
NO164979B (no) 1990-08-27
DE3774809D1 (de) 1992-01-09
NO873277D0 (no) 1987-08-05
EP0259905B1 (en) 1991-11-27
EP0259905A1 (en) 1988-03-16
CA1301755C (en) 1992-05-26
NL8602012A (nl) 1988-03-01
AU592466B2 (en) 1990-01-11
ATE69818T1 (de) 1991-12-15
ES2027281T3 (es) 1992-06-01
DK407887A (da) 1988-02-07
US4818552A (en) 1989-04-04
JPS6344580A (ja) 1988-02-25
AU7659587A (en) 1988-02-11
NO164979C (no) 1990-12-05
DK407887D0 (da) 1987-08-05
NO873277L (no) 1988-02-08

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Legal Events

Date Code Title Description
B1 Patent granted (law 1993)
PBP Patent lapsed